18660011067 has 72 divisors (see below), whose sum is σ = 29487596880. Its totient is φ = 11805443496.

The previous prime is 18660011057. The next prime is 18660011077. The reversal of 18660011067 is 76011006681.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (18660011057) and next prime (18660011077).

It is not a de Polignac number, because 18660011067 - 2¹⁰ = 18660010043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18660011057) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 146929158 + ... + 146929284.

Almost surely, 2^18660011067 is an apocalyptic number.

18660011067 is a deficient number, since it is larger than the sum of its proper divisors (10827585813).

18660011067 is an frugal number, since it uses more digits than its factorization.

18660011067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 18660011067 in words is "eighteen billion, six hundred sixty million, eleven thousand, sixty-seven".